1. Gender Bend
2. Stupid annoying female characters or weak and useless male characters
3. Ugly art
4. A story that goes nowhere, too many arcs or just pages just filling up space
5. If the main character ALWAYS wins, it's stupid, not worth reading

5. Horribly cliché and useless female leads.
4. Terrible art (If the plot is really good I can usually overlook this.)
3. No plot or character development for 100 chapters or AT ALL.
2. If it gets corny, I refuse to read a manga where love concurs all.
1. If any one dies and come back to life, if they're dead STAY dead.

5. when there's too many lines on the page... i really hate that kind of manga~!!!
4. if the situation's getting too complicated...and if that ever happens, instead of reading, i just scroll down the page ( not caring at all what they're talking about ) and onto the next page and so on and so forth....
3. oh not to mention when the release of a certain manga is too slow... i'd really hate that~!!!
2. too many chapters and the story is getting too typical...
1. when the manga is getting TOO serious...
well thats all for now~!!!

1) If the story line is really boring
2) If the characters are drawn poorly or aren't 'attachable' (?)
3) If there are a lot of characters that look the same and aren't twins or whatever
4) When a certain character keeps getting kidnapped or something then i start to think they're stupid and kinda annoying
5) When the main character or a character is beyond the point of stupid and doesn't realize a lot of stuff

5.When the plot starts to bore you or get ultimately cheesy.
4.When the plot starts to not make sense, or explain itself so much to the point that "making sense" is blasphemy.
3.When you realize that the manga-ka is bored out of his/her mind and starts to make 30 more characters out of nowhere.
2.When your favorite character dies forever.
1.When you've realized how generic the story/characters are.

5) Incest, it's pretty damn annoying
4) If the artwork is horrible
3) If the storyline is stupid
2) If the main character's fall in love then one of them had to move away and aren't able to see each other for a very long time. I'm not talking about childhood friend thingy. Example: